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Physics Part-I

Laws of motion

Two billiard balls each of mass 0.05 kg moving in opposite dir

Physics Part-I

Class 11

NCERT

Chapter 1: Physical World

16 questions

Chapter 2: Units and Measurements

51 questions

Chapter 3: Motion in Straight Line

50 questions

Chapter 4: Motion in a Plane

43 questions

Chapter 5: Laws of motion

52 questions

A nucleus is at rest in the laboratory frame of reference. Show that if it disintegrates into two smaller nuclei the products must move in opposite directions.

Two billiard balls each of mass

0.05 k g

moving in opposite directions with speed

6 m s^{- 1}

collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?

A shell of mass

0.020 k g

is fired by a gun of mass

100 k g

. If the muzzle speed of the shell is

80 m / s

, what is the recoil speed of the gun?

View all question

Chapter 6: Work, Energy and Power

41 questions

Chapter 7: System of Particles and Rotational Motion

45 questions

Chapter 8: Gravitation

33 questions

Question

Easy

Solving time: 1 mins

Two billiard balls each of mass $0.05 k g$ moving in opposite directions with speed $6 m s^{- 1}$ collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?

Views: 6,365 students

Updated on: Oct 15, 2023

Book:

Physics Part-I (NCERT)

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Sebastian Discussed

Two billiard balls each of mass

0.05 k g

moving in opposite directions with speed

6 m s^{- 1}

collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?

9 mins ago

Discuss this question LIVE

9 mins ago

Text solutionVerified

Mass of each ball

= 0.05 k g

Initial velocity of each ball

= 6 m / s

Magnitude of the initial momentum of each ball,

P_{i} = m v_{i} = 0.05 \times 6 = 0.3 k g m / s

After collision, the balls change their directions of motion without changing the magnitudes of their velocity.

Final momentum of first ball,

P_{1 f} = - 0.3 k g m / s

Final momentum of second ball,

P_{2 f} = 0.3 k g m / s

Impulse imparted to first ball =

P_{1 f} - P_{1 i} = - 0.3 - 0.3 k g m / s = - 0.6 k g m / s

Impulse imparted to second ball =

P_{2 f} - P_{2 i} = 0.3 - (- 0.3) = 0.6 k g m / s

The negative sign indicates that the impulses imparted to the balls are opposite in direction.

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Practice more questions from Physics Part-I (NCERT)

A nucleus is at rest in the laboratory frame of reference. Show that if it disintegrates into two smaller nuclei the products must move in opposite directions.

Two billiard balls each of mass

0.05 k g

moving in opposite directions with speed

6 m s^{- 1}

collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?

A shell of mass

0.020 k g

is fired by a gun of mass

100 k g

. If the muzzle speed of the shell is

80 m / s

, what is the recoil speed of the gun?

View all

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Question Text	Two billiard balls each of mass $0.05 k g$ moving in opposite directions with speed $6 m s^{- 1}$ collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?
Updated On	Oct 15, 2023
Topic	Laws of motion
Subject	Physics
Class	Class 11
Answer Type	Text solution:1 Video solution: 15
Upvotes	1494
Avg. Video Duration	10 min

Two billiard balls each of mass $0.05 k g$ moving in opposite directions with speed $6 m s^{- 1}$ collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?

Text solutionVerified

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Two billiard balls each of mass 0.05kg moving in opposite directions with speed 6ms−1collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?

Text solutionVerified

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Two billiard balls each of mass $0.05 k g$ moving in opposite directions with speed $6 m s^{- 1}$ collide and rebound with the same speed. What is the impulse imparted to each ball due to the other?